UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 28 APR 25 Station: U4507 WMO ident: 24507 Latitude: 64.27 Longitude: 100.23 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 165 0 0 SFC 997 188 -12.9 -17.9 66 5.0 -13.9 0 0 260.5 260.6 259.5 263.0 0.94 2 940 643 -5.9 -16.9 41 11.0 -8.6 20 9 272.0 272.2 268.1 275.1 1.08 3 925 769 -6.9 -17.9 41 11.0 -9.5 25 11 272.3 272.4 268.1 275.1 1.01 4 918 828 -7.3 -18.3 41 11.0 -9.8 25 11 272.4 272.6 268.2 275.3 0.98 5 850 1422 -12.5 -22.5 43 10.0 -14.4 20 13 273.1 273.2 268.1 275.2 0.74 6 842 1494 -13.3 -22.3 47 9.0 -15.0 19 13 273.0 273.1 268.1 275.2 0.76 7 799 1893 -12.7 -21.7 47 9.0 -14.5 14 14 277.7 277.9 271.2 280.2 0.84 8 700 2891 -18.3 -26.3 49 8.0 -19.6 360 17 282.2 282.3 273.5 284.2 0.64 9 698 2912 -18.5 -26.5 49 8.0 -19.8 360 17 282.2 282.3 273.5 284.2 0.63 10 614 3859 -20.9 -32.9 33 12.0 -22.5 354 27 290.0 290.1 277.3 291.3 0.39 11 500 5340 -30.9 -42.9 30 12.0 -31.8 345 42 295.4 295.4 279.5 296.0 0.17 12 428 6435 -39.1 -49.1 34 10.0 -39.6 345 49 298.3 298.4 280.8 298.7 0.10 13 400 6900 -41.5 -51.5 33 10.0 -41.9 345 52 301.1 301.1 281.9 301.4 0.08 14 324 8314 -48.4 -60.6 23 12.2 -48.7 360 99 310.3 310.3 285.5 310.4 0.03 15 300 8820 -50.9 -63.9 20 13.0 -51.1 360 89 313.6 313.6 286.6 313.7 0.02 16 286 9129 -52.1 -65.1 20 13.0 -52.3 355 77 316.2 316.2 287.5 316.3 0.02 17 250 10000 -51.1 -65.1 17 14.0 -51.4 345 58 330.1 330.1 291.7 330.2 0.02 18 209 11170 -47.5 -63.5 14 16.0 -48.0 341 44 353.1 353.1 297.3 353.2 0.04 19 200 11460 -48.3 -65.3 12 17.0 -48.8 340 40 356.3 356.3 298.0 356.4 0.03 20 168 12611 -49.3 -67.3 10 18.0 -49.8 337 33 372.8 372.8 301.1 373.0 0.03 21 150 13360 -47.3 -67.3 8 20.0 -48.1 335 29 388.6 388.6 303.6 388.7 0.03 22 143 13677 -46.5 -66.5 9 20.0 -47.4 335 29 395.3 395.3 304.6 395.5 0.03 23 100 16020 -52.5 -73.5 6 21.0 -53.2 335 25 426.3 426.3 308.4 426.4 0.02 24 70 18320 -52.3 -74.3 5 22.0 -53.2 345 13 472.5 472.5 312.8 472.6 0.02 25 55 19889 -50.1 -72.1 6 22.0 -51.6 356 9 511.3 511.3 315.8 511.5 0.04 26 50 20510 -51.5 -73.5 6 22.0 -52.9 360 7 522.1 522.1 316.5 522.3 0.04 27 37 22462 -53.3 -75.3 5 22.0 -54.8 357 7 564.4 564.5 318.9 564.7 0.04 28 30 23820 -51.9 -74.9 5 23.0 -53.9 355 7 603.2 603.2 320.7 603.5 0.05 29 20 26440 -51.5 -74.5 5 23.0 -54.4 5 7 678.5 678.6 323.7 679.2 0.08 30 18 27123 -52.1 -75.1 5 23.0 -55.1 697.4 697.4 324.4 698.1 0.08 31 11 30354 -46.3 -71.3 4 25.0 -52.7 823.9 824.1 327.8 826.3 0.23 TRP 286 9129 -52.1 -65.1 20 13.0 -52.3 355 77 316.2 316.2 287.5 316.3 0.02 WND 324 8314 -48.4 -60.6 23 12.2 -48.7 360 99 310.3 310.3 285.5 310.4 0.03 Sounding variables and indices 1000-500 mb thick: 5175.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 41.35 % Est. max temperature: -0.37 C = 31.33 F Sfc-Lift cond lev (LCL): 919.41 mb = 816.24 m = 2677.93 ft T: -7.22 C 700-500 lapse rate: 5.14 C/km ThetaE index: 0.10 C Layer 850.0- 799.0 mb Conv cond level (CCL): 584.16 mb = 4218.36 m = 13839.60 ft Mean mixing ratio: 1.00 g/kg Conv temperature: 17.94 C = 64.30 F Cap Strength: 16.52 C Lifted Index: 19.53 C Risk: None Lifted Index @300 mb: 29.65 C Lifted Index @700 mb: 10.74 C Showalter Index: 16.80 C Risk: None Total Totals Index: 26.80 C Risk: None Vertical Totals Index: 18.40 C Cross Totals Index: 8.40 C K Index: -12.10 Risk: None Sweat Index: 68.00 Risk: None Energy Index: 4.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 46.25 J/kg Max Up Vert Vel: 9.62 m/s Conv Inhibition (B-): 73039.19 J/kg Cap Strength: 19.43 C Lift Cond Lev (LCL): 814.37 mb = 1748.12 m = 5735.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 23 at 18 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 997 188 0 0 -0.0 -0.0 | 203 18 7.2 16.6 1 925 769 25 11 -4.6 -10.0 | 201 7 2.5 6.6 2 850 1422 20 13 -4.4 -12.2 | 212 5 2.7 4.4 3 700 2891 360 17 -0.0 -17.0 | 273 7 7.2 -0.4 4 500 5340 345 42 10.9 -40.6 | 323 30 18.1 -24.0 5 400 6900 345 52 13.5 -50.2 | 328 39 20.6 -33.6 6 324 8314 360 99 -0.0 -99.0 | 355 83 7.2 -82.4 7 300 8820 360 89 -0.0 -89.0 | 354 73 7.2 -72.4 8 286 9129 355 77 6.7 -76.7 | 347 62 13.9 -60.1 9 250 10000 345 58 15.0 -56.0 | 331 45 22.2 -39.4 10 200 11460 340 40 13.7 -37.6 | 315 30 20.9 -21.0 11 150 13360 335 29 12.3 -26.3 | 296 22 19.4 -9.7 12 100 16020 335 25 10.6 -22.7 | 289 19 17.8 -6.1 13 70 18320 345 13 3.4 -12.6 | 249 11 10.5 4.0 14 50 20510 360 7 -0.0 -7.0 | 217 12 7.2 9.6 15 30 23820 355 7 0.6 -7.0 | 219 12 7.8 9.6 16 20 26440 5 7 -0.6 -7.0 | 214 12 6.6 9.6 Wind Parameters Mean winds (0-6000m): 353.4 at 24.1 knts Storm direction: 23.4 at 18.1 knts Shear (0-3000m) pos: 2.1 neg: 1.7 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 90.3 deg Storm rel helicity (0-3000m) pos: 20.7 neg: -2.4 tot: 18.3 m^2/s^2 ave: 6.1 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.85 Bulk Shear: 54.42 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 26 5 203 13| 9.7 0.0 9.7| 5.5 -1.2 4.4 8.7 0.09| 10.0 0.9 1000 24 8 203 10| 6.3 0.0 6.3| 6.6 -2.4 4.2 4.2 0.07| 6.6 0.5 1500 22 10 205 8| 4.2 0.6 4.9| 8.7 -2.4 6.3 4.2 0.17| 5.0 0.8 2000 19 11 210 7| 3.2 1.0 4.2| 11.4 -2.4 9.0 4.5 0.27| 4.3 1.2 2500 15 12 219 7| 2.5 1.3 3.8| 14.0 -2.4 11.6 4.7 0.33| 3.9 1.3 3000 12 13 229 6| 2.1 1.7 3.8| 20.7 -2.4 18.3 6.1 0.42| 4.0 1.7 4000 5 16 263 6| 1.6 2.6 4.2| 37.0 -2.4 34.6 8.7 0.44| 4.3 1.9 5000 358 20 293 9| 1.3 3.2 4.5| 43.9 -2.4 41.5 8.3 0.36| 4.6 1.7 6000 353 24 306 12| 1.1 3.3 4.3| 59.9 -2.5 57.4 9.6 0.35| 4.4 1.5 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20250428.00.gif